IMG_8383

Sudoku, potatoes and crossnumber's biggest secrets finally revealed in our spring 2025 issue. Plus all your favourite columns!

Nora Koparan tells the story of the first female professor of mathematics

Sophie Maclean and David Sheard speak to a very top(olog)ical mathematician!

We announce the winner of this coveted prize

This article will (unsurprisingly) tell you how to crochet a fractal

Paper cups do not follow a hexagonal pattern and the cones do not meet at a single point, but they do make a gigantic sphere